Acer 6800 - Manual (Page 58)

5 Upgrading your computer 50
Post-installation instructions
Observe the following after installing a computer component:
1
See to it that the components are installed according to the step-by-step
instructions in their respective sections.
2 Replace any expansion boards or peripherals that you removed earlier.
3 Replace the side panels.
4 Connect the necessary cables and turn on your computer.